449843931 has 12 divisors (see below), whose sum is σ = 649964952. Its totient is φ = 299808096.

The previous prime is 449843921. The next prime is 449843939. The reversal of 449843931 is 139348944.

It is a happy number.

It is not a de Polignac number, because 449843931 - 2⁷ = 449843803 is a prime.

It is a super-2 number, since 2×449843931² = 404719124515065522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (449843939) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44140 + ... + 53366.

It is an arithmetic number, because the mean of its divisors is an integer number (54163746).

Almost surely, 2^449843931 is an apocalyptic number.

449843931 is a deficient number, since it is larger than the sum of its proper divisors (200121021).

449843931 is a wasteful number, since it uses less digits than its factorization.

449843931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14650 (or 14647 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 449843931 is about 21209.5245349819. The cubic root of 449843931 is about 766.2208316708.

The spelling of 449843931 in words is "four hundred forty-nine million, eight hundred forty-three thousand, nine hundred thirty-one".